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<div class="titlepage"><div><div><h3 class="title">
<a name="context.stack.stack_context"></a><a class="link" href="stack_context.html" title="Class stack_context">Class <span class="emphasis"><em>stack_context</em></span></a>
</h3></div></div></div>
<p>
        <span class="bold"><strong>Boost.Context</strong></span> provides the class <span class="emphasis"><em>stack_context</em></span>
        which will contain the stack pointer and the size of the stack. In case of
        a <a class="link" href="segmented.html#segmented"><span class="emphasis"><em>segmented_stack</em></span></a>,
        <span class="emphasis"><em>stack_context</em></span> contains some extra control structures.
      </p>
<pre class="programlisting"><span class="keyword">struct</span> <span class="identifier">stack_context</span> <span class="special">{</span>
    <span class="keyword">void</span>    <span class="special">*</span>   <span class="identifier">sp</span><span class="special">;</span>
    <span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> <span class="identifier">size</span><span class="special">;</span>

    <span class="comment">// might contain additional control structures</span>
    <span class="comment">// for segmented stacks</span>
<span class="special">}</span>
</pre>
<h5>
<a name="context.stack.stack_context.h0"></a>
        <span class="phrase"><a name="context.stack.stack_context._code__phrase_role__keyword__void__phrase___phrase_role__special_____phrase___phrase_role__identifier__sp__phrase___code_"></a></span><a class="link" href="stack_context.html#context.stack.stack_context._code__phrase_role__keyword__void__phrase___phrase_role__special_____phrase___phrase_role__identifier__sp__phrase___code_"><code class="computeroutput"><span class="keyword">void</span> <span class="special">*</span> <span class="identifier">sp</span></code></a>
      </h5>
<div class="variablelist">
<p class="title"><b></b></p>
<dl class="variablelist">
<dt><span class="term">Value:</span></dt>
<dd><p>
              Pointer to the beginning of the stack.
            </p></dd>
</dl>
</div>
<h5>
<a name="context.stack.stack_context.h1"></a>
        <span class="phrase"><a name="context.stack.stack_context._code__phrase_role__identifier__std__phrase__phrase_role__special______phrase__phrase_role__identifier__size_t__phrase___phrase_role__identifier__size__phrase___code_"></a></span><a class="link" href="stack_context.html#context.stack.stack_context._code__phrase_role__identifier__std__phrase__phrase_role__special______phrase__phrase_role__identifier__size_t__phrase___phrase_role__identifier__size__phrase___code_"><code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span>
        <span class="identifier">size</span></code></a>
      </h5>
<div class="variablelist">
<p class="title"><b></b></p>
<dl class="variablelist">
<dt><span class="term">Value:</span></dt>
<dd><p>
              Actual size of the stack.
            </p></dd>
</dl>
</div>
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<td align="right"><div class="copyright-footer">Copyright © 2014 Oliver Kowalke<p>
        Distributed under the Boost Software License, Version 1.0. (See accompanying
        file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
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